Home / 2,228.61-3,342.93-1,362.72

Finding the Fourth Proportional to 2,228.61, 3,342.93 and 1,362.72

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Solution

The fourth proportional to 2,228.61, 3,342.93 and 1,362.72 is: 2,044.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.61 : 3,342.93 = 1,362.72 : x
  2. Step 2: Convert to fraction form
    2,228.61/3,342.93 = 1,362.72/x
  3. Step 3: Cross multiply
    2,228.61x = 3,342.93 × 1,362.72
  4. Step 4: Simplify right side
    2,228.61x = 4,555,470.76
  5. Step 5: Solve for x
    x = 4,555,470.76/2,228.61
  6. Step 6: Final answer
    x = 2,044.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.